| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a portable terminal which can be used for expansion as a business and can prevent unauthorized use, easily sets and changes distinguishing marks or the like, and further reduces costs of data communication. <P>SOLUTION: The portable terminal 1 includes: an identification information acquisition section 11 which acquires identification information of a target station from a server 2 which holds pieces of identification information of a plurality of stations 3; an identification information comparison section 12 which sequentially receives pieces of identification information of the present station and the next station to be transmitted from the respective stations to be passed through to compare the pieces of identification information with the identification information of the target station; and a first alarm section 13 which outputs an alarm when the identification information of the target station matches the identification information of the next station, and the server determines, with respect to an inquiry of the identification information of the target station from the identification information acquisition section, whether or not the inquiry is made from the portable terminal which has a legitimate qualification. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
